﻿<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title></title>
    <style type="text/css">
        div
        {
            width:100px;                 /*div元素宽为100px*/
            height:60px;                 /*div元素高为100px*/
            border:1px solid red;        /*边框整体样式*/
            border-bottom:0px;           /*去除下边框*/
        }
    </style>
</head>
<body>
    <div></div>
</body>
</html>
